| ACE2 | Angiotensin converting enzyme 2 |
| CFIA | Canadian Food Inspection Agency |
| COVID-19 | Coronavirus disease 2019 |
| PRNT70 | Plaque-reduction neutralization test 70% |
| RBD | Receptor-binding domain |
| SARS-CoV-2 | Severe acute respiratory syndrome coronavirus 2 |
| sVNT | Surrogate virus neutralization test |
| TMPRSS-2 | Transmembrane serine protease 2 |
| TP | Timepoint |
| TZ | Toronto Zoo |
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